Opps, good point.
I made a mistake, it IS a 2100+ :D (i've got another one, and i got the CPUs confused when typing out my question :D)
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Question
Athlon XP 1800+ @ 1311MHz, Is It Underclocked? (And Is It Overheating?)
I have a computer with the following specs:
ASUS A7V333 Motherboard,
AMD Athlon XP 1800+ @ 1311MHz (~100MHzx13),
GeForce 3 Ti500 (64MB),
1x512MB PC3200 RAM (unbranded).
The case has a case fan on the back, blowing air out (The only one there is room for).
I have had this computer for around 3 years, and i recently decided to learn more about it. I installed Motherboard Monitor, and a few other information tools (like PC Wizard), and checked it all out.
I found my CPU idle temperature gets between 53-57c, and can reach 60-65c when at work (and that's with the side of the case off...)
I also found out the frequency it runs at: 1311MHz (~100MHz FSB with 13x multiplier).
I was under the impression that an Athlon XP 1800+ was to run @ 1733MHz (~133 FSB with 13x multiplier)?
In the BIOS, my CPU is set to Manual, with 100MHz FSB, and 13x multiplier, but if i see what other options i can get, there is also 1733MHz and a 1311MHz (which it already runs at) option. (I suppose these will set the FSB and multiplier automatically?)
Does this mean my PC is underclocked? Or do all older versions of this chip run at this speed?
If it is underclocked, how do i get it back to the settings it is meant for? (Bearing in mind the already, in my opinion (correct me if i'm wrong), fairly high temperatures).
Should i raise it manually in the BIOS, a few FSB MHz at a time, or just go straight to the 1733MHz option? Does this have a chance of damaging my CPU?
Do i need to do something else first, like change the heatsink and fan, or reapply the thermal paste? (Not that i'm confident doing this, but if it must be done...)
Thank you for your time and patience.
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Answers
So you say that my chip is underclocked, and that i should check the fan is mounted correctly, and maybe reapply my thermal paste, and THEN sort out the clock speed?
What about setting it back to the proper speed, should i just whack it straight up to what it should be (using the preexisting setting of 1733MHz), or take it a bit at a time? (Sorry to need such a high level of clarification, but it is a very old chip, (about 3 years) and i'm worried about the possibilty of the first few batches being clocked lower for some reason, and i can't really afford to blow it up...)
This should (hopefully) be the last.
You say alcohol... Does it need to be pure 100% alcohol (in which case, where should i look to get that from, i'm based in the UK...), or can i use some good old brandy :D.
And what should i use to scape off the old thermal paste (what do you use for this task?), would a cotton bud with the end covered in alcohol work? (Or do i need to exert alot of pressure, a knife?)
And to reapply the new thermal paste evenly, i suppose a piece of paper/card would work? (please tell me if i'm wrong, i'm really not used to this, if you haven't guessed :D)
And thank you again for taking the time to help me with this.
I have never tried brandy - that might be a waste; save it for after you get the job done ;-) I use rubbing alcohol from the drug store. Scrape off the old stuff with a cotton bud and alcohol, unless the material has dried so hard that it can't be taken off this way. Use a plastic card if this is the case; the least amount of force to get it done should be the rule. To apply the new paste, again, a plastic card with a straight edge to spread as thin a layer is desirable. The function of the paste is to displace any air gaps between the two surfaces, so you can imagine how little you need. The main heat transfer will occur between the metal-to-metal surfaces.
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by: CallandorPosted on 2005-08-04 at 06:17:44ID: 14597715
An AthlonXP 1800+ should have a 11.5 multiplier and run at 133 FSB, yielding a final speed of 1.53GHz. I am wondering if you have a remarked cpu, because your settings don't match known values. If you have a 13x multiplier and 133FSB, you will have 1.73GHz as the final speed, but that corresponds to an AthlonXP 2100+.
Your temperatures are indeed very high, and you should check if the heatsink is mounted flush to the cpu. If you have to, clean off the old thermal paste with rubbing alcohol and reapply a tiny drop of new paste and spread it evenly. Too much will hinder thermal transfer, and remember that it is metal-to-metal contact that is primarily how heat conducts.
Get cpu-z to identify what cpu you have: http://www.cpuid.org/cpuz.